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https://raw.githubusercontent.com/zeoio/fabric-toolkit/master/bcp-install-biz/src/main/java/com/cgb/bcpinstall/biz/helper/YamlRepresenter.java
/*
 *  Copyright CGB Corp All Rights Reserved.
 * 
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *    http://www.apache.org/licenses/LICENSE-2.0
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package com.cgb.bcpinstall.biz.helper;

import org.yaml.snakeyaml.DumperOptions;
import org.yaml.snakeyaml.nodes.Tag;
import org.yaml.snakeyaml.representer.Representer;

public class YamlRepresenter extends Representer {

    public YamlRepresenter(DumperOptions options) {
        super(options);

        this.nullRepresenter = data -> representScalar(Tag.NULL, "");
    }
}
